Also, I want to mention that I couldn't find any information on "Vropt File Interior Download Sketchup", I assume it's a typo or incorrect information, if you can provide more context or details I can try to help you better.
You will not find "VROPT" files on generic 3D websites (like 3D Warehouse or TurboSquid) as a native format. Instead, you download high-poly or OBJ/FBX files and convert them. Vropt File Interior Download Sketchup
Furthermore, advanced interior VROPT files now include Chaos Scatter presets (grass, rugs, clutter). When you download a modern VROPT, you aren't just getting render settings; you are getting a landscape configuration. Also, I want to mention that I couldn't
: Instead of setting up a scene from scratch, you can download and "load" a .vropt file created by an expert to instantly apply high-quality interior lighting or "fast render" settings. Furthermore, advanced interior VROPT files now include Chaos
: Interior scenes require specific settings for global illumination (GI) to handle light bouncing off walls and ceilings.